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Table 2 Survival of patients with p-stage III/N2 NSCLC by a univariate analysis (log-rank test)

From: Clinical significance in the number of involved lymph nodes in patients that underwent surgery for pathological stage III-N2 non-small cell lung cancer

 

n

Survival (%)

p value

Age

   

   <75 years

91

32.0

0.3519

   ≥ 75 years

30

39.5

 

Gender

   

   Male

89

33.0

0.3981

   Female

32

40.2

 

T factor

   

   T1

27

47.8

0.0125

   T2-4

94

30.8

 

Histology

   

   Adenocarcinoma

63

41.0

0.0637

   Others

58

28.2

 

Surgical procedure

   

   Pneumonectomy/bilobectomy

34

20.7

0.0345

   Lobectomy

87

40.1

 

Skip metastasis

   

   Yes

41

41.7

0.2156

   No

80

30.1

 

Number of involved lymph nodes

   

   1 or 2

37

55.2

0.0041

   3≤

84

24.7